GSM850/900/DCS/PCS Handsets
Dual/Tri/Quad-band PDA
GMSK and 8-PSK Polar Modulation Schemes
The AWT6168 supports dual/tri/quad-band applications for GMSK and 8-PSK modulation schemes using a polar architecture. There are two amplifier chains, one to support GSM820/900 bands, the other for DCS/PCS bands.
The module includes an internal reference voltage and integrated power control scheme for use in both GMSK and 8-PSK operation. This facilitates fast and easy production calibration and reduces the number of external components required to complete a power control function. The amplifier power control range is typically 55 dB, with the output power set by applying an analog voltage to Vramp.
All of the RF ports for this device are internally matched to 50Ω. Internal DC blocks are provided at the RF inputs.
| Frequency (MHz) | Quad Band |
| Package Size (mm) | 7 x 7 x 1.3 |
| Output Power | (GSM) GSM850/900: 35.5; DCS/PCS: 33.5; (EDGE) GSM850/900: 29; DCS/PCS: 28.5 |
| Efficiency (%) | (GSM) GSM850/900: 55; DCS/PCS: 25; (EDGE) GSM850/900: 25; DCS/PCS: 30 |
| 2nd Harmonic (dBm) | |
| 3rd Harmonic (dBm) |
| » AND0041 | | |
Dual/Tri/Quad Band Handsets and PDAs |
| » AWT6168 | | |
GSM850/900/DCS/PCS Handsets |
| » AWT6172 | | |
GSM850/GSM900/DCS/PCS Handsets |
| » AWT6223 | | | 3G Handsets, Smartphones, Data Devices Incorporating:
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| » AWT6225 | | | 3G Handsets, Smartphones, Data Devices Incorporating:
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| » AWT6280 | | |
Dual/Tri/Quad Band Handsets and PDAs |